Gravitational Physics (Review) - Lecture 9

          @misc{ pirsa_PIRSA:12020011,
            doi = {},
            url = {https://pirsa.org/12020011},
            author = {Gregory, Ruth},
            keywords = {},
            language = {en},
            title = {Gravitational Physics (Review) - Lecture 9},
            publisher = {Perimeter Institute},
            year = {2012},
            month = {feb},
            note = {PIRSA:12020011 see, \url{https://pirsa.org}}
          }